Haku
Viitteet 1-4 / 4
Evaluation of water and ammonium acetate tests as indices for available P in limed soils
(Suomen maataloustieteellinen seura, 1989)
Effect of different rates of P fertilization on the yield and P status of the soil in two long-term field experiments
(Suomen maataloustieteellinen seura, 1989)
Effect of extractant pH on the release of soil phosphorus, aluminium and iron by ammonium fluoride
(Suomen maataloustieteellinen seura, 1989)
Phosphate adsorption characteristics of two soils responding differently to P fertilization
(Suomen maataloustieteellinen seura, 1991)